diff options
Diffstat (limited to 'environment.c')
| -rw-r--r-- | environment.c | 309 |
1 files changed, 259 insertions, 50 deletions
diff --git a/environment.c b/environment.c index e278bce0ea..ff6e4f06e9 100644 --- a/environment.c +++ b/environment.c @@ -8,73 +8,191 @@ * are. */ #include "cache.h" +#include "refs.h" +#include "fmt-merge-msg.h" +#include "commit.h" -char git_default_email[MAX_GITNAME]; -char git_default_name[MAX_GITNAME]; -int user_ident_explicitly_given; int trust_executable_bit = 1; int trust_ctime = 1; +int check_stat = 1; int has_symlinks = 1; +int minimum_abbrev = 4, default_abbrev = -1; int ignore_case; int assume_unchanged; int prefer_symlink_refs; int is_bare_repository_cfg = -1; /* unspecified */ -int log_all_ref_updates = -1; /* unspecified */ int warn_ambiguous_refs = 1; -int repository_format_version; +int warn_on_object_refname_ambiguity = 1; +int ref_paranoia = -1; +int repository_format_precious_objects; const char *git_commit_encoding; const char *git_log_output_encoding; -int shared_repository = PERM_UMASK; const char *apply_default_whitespace; +const char *apply_default_ignorewhitespace; +const char *git_attributes_file; +const char *git_hooks_path; int zlib_compression_level = Z_BEST_SPEED; int core_compression_level; -int core_compression_seen; +int pack_compression_level = Z_DEFAULT_COMPRESSION; int fsync_object_files; size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE; size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT; -size_t delta_base_cache_limit = 16 * 1024 * 1024; -const char *pager_program; +size_t delta_base_cache_limit = 96 * 1024 * 1024; +unsigned long big_file_threshold = 512 * 1024 * 1024; int pager_use_color = 1; const char *editor_program; +const char *askpass_program; const char *excludes_file; -int auto_crlf = 0; /* 1: both ways, -1: only when adding git objects */ +enum auto_crlf auto_crlf = AUTO_CRLF_FALSE; +int check_replace_refs = 1; +char *git_replace_ref_base; +enum eol core_eol = EOL_UNSET; enum safe_crlf safe_crlf = SAFE_CRLF_WARN; unsigned whitespace_rule_cfg = WS_DEFAULT_RULE; enum branch_track git_branch_track = BRANCH_TRACK_REMOTE; enum rebase_setup_type autorebase = AUTOREBASE_NEVER; +enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED; +#ifndef OBJECT_CREATION_MODE +#define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS +#endif +enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE; +char *notes_ref_name; +int grafts_replace_parents = 1; +int core_apply_sparse_checkout; +int merge_log_config = -1; +int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ +unsigned long pack_size_limit_cfg; +enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; +enum log_refs_config log_all_ref_updates = LOG_REFS_UNSET; + +#ifndef PROTECT_HFS_DEFAULT +#define PROTECT_HFS_DEFAULT 0 +#endif +int protect_hfs = PROTECT_HFS_DEFAULT; + +#ifndef PROTECT_NTFS_DEFAULT +#define PROTECT_NTFS_DEFAULT 0 +#endif +int protect_ntfs = PROTECT_NTFS_DEFAULT; + +/* + * The character that begins a commented line in user-editable file + * that is subject to stripspace. + */ +char comment_line_char = '#'; +int auto_comment_line_char; /* Parallel index stat data preload? */ -int core_preload_index = 0; +int core_preload_index = 1; + +/* + * This is a hack for test programs like test-dump-untracked-cache to + * ensure that they do not modify the untracked cache when reading it. + * Do not use it otherwise! + */ +int ignore_untracked_cache_config; /* This is set by setup_git_dir_gently() and/or git_default_config() */ char *git_work_tree_cfg; static char *work_tree; -static const char *git_dir; -static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file; +static const char *namespace; +static size_t namespace_len; + +static const char *super_prefix; + +static const char *git_dir, *git_common_dir; +static char *git_object_dir, *git_index_file, *git_graft_file; +int git_db_env, git_index_env, git_graft_env, git_common_dir_env; + +/* + * Repository-local GIT_* environment variables; see cache.h for details. + */ +const char * const local_repo_env[] = { + ALTERNATE_DB_ENVIRONMENT, + CONFIG_ENVIRONMENT, + CONFIG_DATA_ENVIRONMENT, + DB_ENVIRONMENT, + GIT_DIR_ENVIRONMENT, + GIT_WORK_TREE_ENVIRONMENT, + GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, + GRAFT_ENVIRONMENT, + INDEX_ENVIRONMENT, + NO_REPLACE_OBJECTS_ENVIRONMENT, + GIT_REPLACE_REF_BASE_ENVIRONMENT, + GIT_PREFIX_ENVIRONMENT, + GIT_SUPER_PREFIX_ENVIRONMENT, + GIT_SHALLOW_FILE_ENVIRONMENT, + GIT_COMMON_DIR_ENVIRONMENT, + NULL +}; + +static char *expand_namespace(const char *raw_namespace) +{ + struct strbuf buf = STRBUF_INIT; + struct strbuf **components, **c; + + if (!raw_namespace || !*raw_namespace) + return xstrdup(""); + + strbuf_addstr(&buf, raw_namespace); + components = strbuf_split(&buf, '/'); + strbuf_reset(&buf); + for (c = components; *c; c++) + if (strcmp((*c)->buf, "/") != 0) + strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf); + strbuf_list_free(components); + if (check_refname_format(buf.buf, 0)) + die("bad git namespace path \"%s\"", raw_namespace); + strbuf_addch(&buf, '/'); + return strbuf_detach(&buf, NULL); +} + +static char *git_path_from_env(const char *envvar, const char *git_dir, + const char *path, int *fromenv) +{ + const char *value = getenv(envvar); + if (!value) + return xstrfmt("%s/%s", git_dir, path); + if (fromenv) + *fromenv = 1; + return xstrdup(value); +} static void setup_git_env(void) { + struct strbuf sb = STRBUF_INIT; + const char *gitfile; + const char *shallow_file; + const char *replace_ref_base; + git_dir = getenv(GIT_DIR_ENVIRONMENT); - if (!git_dir) - git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT); - if (!git_dir) + if (!git_dir) { + if (!startup_info->have_repository) + die("BUG: setup_git_env called without repository"); git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; - git_object_dir = getenv(DB_ENVIRONMENT); - if (!git_object_dir) { - git_object_dir = xmalloc(strlen(git_dir) + 9); - sprintf(git_object_dir, "%s/objects", git_dir); } - git_refs_dir = xmalloc(strlen(git_dir) + 6); - sprintf(git_refs_dir, "%s/refs", git_dir); - git_index_file = getenv(INDEX_ENVIRONMENT); - if (!git_index_file) { - git_index_file = xmalloc(strlen(git_dir) + 7); - sprintf(git_index_file, "%s/index", git_dir); - } - git_graft_file = getenv(GRAFT_ENVIRONMENT); - if (!git_graft_file) - git_graft_file = git_pathdup("info/grafts"); + gitfile = read_gitfile(git_dir); + git_dir = xstrdup(gitfile ? gitfile : git_dir); + if (get_common_dir(&sb, git_dir)) + git_common_dir_env = 1; + git_common_dir = strbuf_detach(&sb, NULL); + git_object_dir = git_path_from_env(DB_ENVIRONMENT, git_common_dir, + "objects", &git_db_env); + git_index_file = git_path_from_env(INDEX_ENVIRONMENT, git_dir, + "index", &git_index_env); + git_graft_file = git_path_from_env(GRAFT_ENVIRONMENT, git_common_dir, + "info/grafts", &git_graft_env); + if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) + check_replace_refs = 0; + replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT); + git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base + : "refs/replace/"); + namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); + namespace_len = strlen(namespace); + shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT); + if (shallow_file) + set_alternate_shallow_file(shallow_file, 0); } int is_bare_repository(void) @@ -85,7 +203,9 @@ int is_bare_repository(void) int have_git_dir(void) { - return !!git_dir; + return startup_info->have_repository + || git_dir + || getenv(GIT_DIR_ENVIRONMENT); } const char *get_git_dir(void) @@ -95,6 +215,35 @@ const char *get_git_dir(void) return git_dir; } +const char *get_git_common_dir(void) +{ + return git_common_dir; +} + +const char *get_git_namespace(void) +{ + if (!namespace) + setup_git_env(); + return namespace; +} + +const char *strip_namespace(const char *namespaced_ref) +{ + if (!starts_with(namespaced_ref, get_git_namespace())) + return NULL; + return namespaced_ref + namespace_len; +} + +const char *get_super_prefix(void) +{ + static int initialized; + if (!initialized) { + super_prefix = getenv(GIT_SUPER_PREFIX_ENVIRONMENT); + initialized = 1; + } + return super_prefix; +} + static int git_work_tree_initialized; /* @@ -104,30 +253,20 @@ static int git_work_tree_initialized; */ void set_git_work_tree(const char *new_work_tree) { - if (is_bare_repository_cfg >= 0) - die("cannot set work tree after initialization"); + if (git_work_tree_initialized) { + new_work_tree = real_path(new_work_tree); + if (strcmp(new_work_tree, work_tree)) + die("internal error: work tree has already been set\n" + "Current worktree: %s\nNew worktree: %s", + work_tree, new_work_tree); + return; + } git_work_tree_initialized = 1; - free(work_tree); - work_tree = xstrdup(make_absolute_path(new_work_tree)); - is_bare_repository_cfg = 0; + work_tree = real_pathdup(new_work_tree, 1); } const char *get_git_work_tree(void) { - if (!git_work_tree_initialized) { - work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT); - /* core.bare = true overrides implicit and config work tree */ - if (!work_tree && is_bare_repository_cfg < 1) { - work_tree = git_work_tree_cfg; - /* make_absolute_path also normalizes the path */ - if (work_tree && !is_absolute_path(work_tree)) - work_tree = xstrdup(make_absolute_path(git_path("%s", work_tree))); - } else if (work_tree) - work_tree = xstrdup(make_absolute_path(work_tree)); - git_work_tree_initialized = 1; - if (work_tree) - is_bare_repository_cfg = 0; - } return work_tree; } @@ -138,6 +277,39 @@ char *get_object_directory(void) return git_object_dir; } +int odb_mkstemp(struct strbuf *template, const char *pattern) +{ + int fd; + /* + * we let the umask do its job, don't try to be more + * restrictive except to remove write permission. + */ + int mode = 0444; + git_path_buf(template, "objects/%s", pattern); + fd = git_mkstemp_mode(template->buf, mode); + if (0 <= fd) + return fd; + + /* slow path */ + /* some mkstemp implementations erase template on failure */ + git_path_buf(template, "objects/%s", pattern); + safe_create_leading_directories(template->buf); + return xmkstemp_mode(template->buf, mode); +} + +int odb_pack_keep(const char *name) +{ + int fd; + + fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); + if (0 <= fd) + return fd; + + /* slow path */ + safe_create_leading_directories_const(name); + return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); +} + char *get_index_file(void) { if (!git_index_file) @@ -159,3 +331,40 @@ int set_git_dir(const char *path) setup_git_env(); return 0; } + +const char *get_log_output_encoding(void) +{ + return git_log_output_encoding ? git_log_output_encoding + : get_commit_output_encoding(); +} + +const char *get_commit_output_encoding(void) +{ + return git_commit_encoding ? git_commit_encoding : "UTF-8"; +} + +static int the_shared_repository = PERM_UMASK; +static int need_shared_repository_from_config = 1; + +void set_shared_repository(int value) +{ + the_shared_repository = value; + need_shared_repository_from_config = 0; +} + +int get_shared_repository(void) +{ + if (need_shared_repository_from_config) { + const char *var = "core.sharedrepository"; + const char *value; + if (!git_config_get_value(var, &value)) + the_shared_repository = git_config_perm(var, value); + need_shared_repository_from_config = 0; + } + return the_shared_repository; +} + +void reset_shared_repository(void) +{ + need_shared_repository_from_config = 1; +} |